How do I SUM a column in a table with entity ( c#)

I am trying to SUM the Amount(getPO.Amount) column in my returned list.

var getPO = pr.Invs.Where(z => z.invNumber == invNumber).ToList();

var getSum =  "do somthing getPO.sum();"

Open in new window

Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

Fernando SotoRetiredCommented:
Hi  bmanmike39;

Try this, it should give what you need.
var getPO = pr.Invs.Where(z => z.invNumber == invNumber).ToList();

var getSum =  getPO.Sum( po => po.Amount);

Open in new window

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
bmanmike39Author Commented:
Thanks! That was what I was looking for.
Fernando SotoRetiredCommented:
Not a problem bmanmike39, glad I was able to help.
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today

From novice to tech pro — start learning today.